Canada is the second largest country in the world only behind Russia; that neighbours the United States. It was once a former British Colony, before achieving independence on July 1st, 1867, though not achieving full independence until 1931.
Canada's own spy agency is known as the Canadian Security Intelligence Service, or CSIS for short. Before it's creation in 1984, intelligence duties was handled by the Royal Canadian Mounted Police Security Service.
Bond does not visit Canada in the films, but The Spy Who Loved Me was partly shot at Auyuittuq National Park. Bond sneaks into the United States via Canada in the For Your Eyes Only book, but not the film.